Where does “disastrousness” come from?

disastrousness (English) comes from English disastrous, from English disaster, from Middle French desastre, from Italian disastro, from Italian astro, from Latin astrum, from Ancient Greek ἄστρον, from Ancient Greek ἀστήρ — to be/become dry; to burn, to glow; hearth.

disastrousness (English): The state or condition of being disastrous

Definitions

  1. The state or condition of being disastrous

Ancestry of “disastrousness”, step by step

disastrousness traces back through two separate lines of ancestry.

via English disastrous

StepLanguageWordMeaning
1EnglishdisastrousOf the nature of a disaster; calamitous;...
2EnglishdisasterAn unexpected natural or man-made catastrophe of...
3Middle Frenchdesastredisaster
4Italiandisastrodisaster; first-person singular present...
5Italianastrocelestial body, star; A person exceptionally...
6Latinastruma star
7Ancient GreekἄστρονA celestial body
8Ancient Greekἀστήρa celestial body; illustrious person; starfish
9Proto-Hellenicastḗrstar
10Proto-Indo-Europeanh₂stḗrstar
11Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European h₂eHs-